package com.example.myndklearn

import android.util.Log

/**
 * Create by zkingcobra on 20190305
 */
open class Human {
    open fun sayHi() {
        Log.e("Human", "sayHi 父类 这个是人类")
    }
}
class Man : Human() {
    override fun sayHi() {
        Log.e("Man", "sayHi  Man Man 这个是人类")
    }
}
